Which plane is DL7878 on?
The aircraft and layout our seat map for DL7878 comes from.
| Date | Fri, Sep 25 |
|---|---|
| Aircraft | Boeing 777-300ER |
| Layout | 8F, 42J, 227Y (277 seats) |
Airlines can swap planes close to departure, so confirm the aircraft at check-in.
Delta Air Lines Boeing 777-300ER, 3 classes, from Seoul (ICN) to Atlanta (ATL)
DL7878 is the Delta Air Lines flight from Seoul (ICN) to Atlanta (ATL), scheduled on a Boeing 777-300ER with 277 seats in 3 classes: 8 in First, 42 in Prestige and 227 in Economy. The best seats are 1A in First, 7A in Prestige and 28C in Economy. Avoid row 40 in Economy: limited recline, near the lavatories and the galley.
Select a seat for its comfort score and what to watch out for. Colours show comfort, not availability.
Getting the seat map ready
Covers all 277 seats on the aircraft.
Scores weigh legroom, recline, window position and distance from galleys, lavatories and exits. Seat-map glossary
Best in First
Fair6.0 / 10Window seat
Best in Prestige
Fair6.0 / 10Window seat
Best in Economy
Good8.8 / 10Aisle seat, extra legroom, exit row, no floor storage, tray in armrest
Seat data verified September 21, 2026. How we verify seat data
The aircraft and layout our seat map for DL7878 comes from.
| Date | Fri, Sep 25 |
|---|---|
| Aircraft | Boeing 777-300ER |
| Layout | 8F, 42J, 227Y (277 seats) |
Airlines can swap planes close to departure, so confirm the aircraft at check-in.
Where the flight leaves from and lands.
How the 277 seats on this aircraft split by cabin.
Open seats change daily. Check live availability for your date
The top seats in every cabin, the ones to skip, and the pick for what matters to you.
Comfort score out of 10Excellent9.0+Good7.0 to 8.9Fair5.0 to 6.9Below average3.0 to 4.9Poorunder 3.0
Rows 1 to 2, 8 seats
No seat in this cabin scores below Fair.
Rows 7 to 14, 42 seats
Rows 28 to 53, 227 seats
The rows worth knowing about before you choose, from the Boeing 777-300ER cabin layout. New to terms like bulkhead or pitch? See the seat-map glossary.
Layout, legroom and amenities in each class on the Delta Air Lines Boeing 777-300ER.
Rows 1 to 2, 8 seats
Lie-flat seat.
Rows 7 to 14, 42 seats
Lie-flat seat.
Rows 28 to 53, 227 seats
Standard seat with 118° of recline.
The aircraft, the cabins and the seats on this flight, answered from its seat map data.
The highest-rated seat on DL7878 is 28C in Economy, with a comfort score of 8.8 out of 10: aisle seat, extra legroom, exit row, no floor storage, tray in armrest. In the other cabins, the best seats are 1A in First (6.0) and 7A in Prestige (6.0).
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Delta Air Lines seat maps
Every Delta Air Lines aircraft we have mapped, cabin by cabin.

Boeing 777-300ER seat maps by airline
Compare the Boeing 777-300ER at every airline that flies it.

Legroom calculator
Check whether 33-34" of pitch fits your height.

Seat-map glossary
Pitch, width, bulkhead and other terms explained.

Best seats by aircraft
Which rows have the most legroom and which to avoid, on every mapped aircraft.

Live seat map
Search any flight and see which seats are still open on your date.
The live seat map shows which seats are still open on your date, so you can take a good seat before it goes.